NL7402420A - INDIRECTLY HEATED CATHOD AND AN ELECTRON DISCHARGE TUBE FITTED WITH SUCH A CATHOD. - Google Patents

INDIRECTLY HEATED CATHOD AND AN ELECTRON DISCHARGE TUBE FITTED WITH SUCH A CATHOD.

Info

Publication number
NL7402420A
NL7402420A NL7402420A NL7402420A NL7402420A NL 7402420 A NL7402420 A NL 7402420A NL 7402420 A NL7402420 A NL 7402420A NL 7402420 A NL7402420 A NL 7402420A NL 7402420 A NL7402420 A NL 7402420A
Authority
NL
Netherlands
Prior art keywords
cathod
discharge tube
electron discharge
indirectly heated
tube fitted
Prior art date
Application number
NL7402420A
Other languages
Dutch (nl)
Original Assignee
Philips Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Priority to NL7402420A priority Critical patent/NL7402420A/en
Priority to DE19752505362 priority patent/DE2505362A1/en
Priority to JP50019957A priority patent/JPS50120561A/ja
Priority to IT6743275A priority patent/IT1030186B/en
Priority to AU78353/75A priority patent/AU7835375A/en
Priority to BE153556A priority patent/BE825771A/en
Priority to FR7505439A priority patent/FR2262398A1/en
Publication of NL7402420A publication Critical patent/NL7402420A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/24—Insulating layer or body located between heater and emissive material
NL7402420A 1974-02-22 1974-02-22 INDIRECTLY HEATED CATHOD AND AN ELECTRON DISCHARGE TUBE FITTED WITH SUCH A CATHOD. NL7402420A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL7402420A NL7402420A (en) 1974-02-22 1974-02-22 INDIRECTLY HEATED CATHOD AND AN ELECTRON DISCHARGE TUBE FITTED WITH SUCH A CATHOD.
DE19752505362 DE2505362A1 (en) 1974-02-22 1975-02-08 INDIRECTLY HEATABLE CATHODE AND ELECTRON DISCHARGE TUBE PROVIDED WITH SUCH A CATHOD
JP50019957A JPS50120561A (en) 1974-02-22 1975-02-19
IT6743275A IT1030186B (en) 1974-02-22 1975-02-19 INDIRECT HEATING CATHODE, PARTICULARLY FOR ELECTRONIC DISCHARGE PIPES
AU78353/75A AU7835375A (en) 1974-02-22 1975-02-19 Indirectly heated cathode
BE153556A BE825771A (en) 1974-02-22 1975-02-20 INDIRECT HEATING CATHODE AND ELECTRONIC DISCHARGE TUBE EQUIPPED WITH SUCH A CATHODE
FR7505439A FR2262398A1 (en) 1974-02-22 1975-02-21 Indirectly heated cathode with cermet filling space - between housing and heating element, improving starting time and durability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7402420A NL7402420A (en) 1974-02-22 1974-02-22 INDIRECTLY HEATED CATHOD AND AN ELECTRON DISCHARGE TUBE FITTED WITH SUCH A CATHOD.

Publications (1)

Publication Number Publication Date
NL7402420A true NL7402420A (en) 1975-08-26

Family

ID=19820808

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7402420A NL7402420A (en) 1974-02-22 1974-02-22 INDIRECTLY HEATED CATHOD AND AN ELECTRON DISCHARGE TUBE FITTED WITH SUCH A CATHOD.

Country Status (7)

Country Link
JP (1) JPS50120561A (en)
AU (1) AU7835375A (en)
BE (1) BE825771A (en)
DE (1) DE2505362A1 (en)
FR (1) FR2262398A1 (en)
IT (1) IT1030186B (en)
NL (1) NL7402420A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110676137B (en) * 2019-09-16 2022-05-27 九江学院 Preparation method of cathode for magnetron

Also Published As

Publication number Publication date
JPS50120561A (en) 1975-09-20
AU7835375A (en) 1976-08-19
BE825771A (en) 1975-08-20
FR2262398A1 (en) 1975-09-19
DE2505362A1 (en) 1975-08-28
IT1030186B (en) 1979-03-30

Similar Documents

Publication Publication Date Title
NL160869B (en) LUMINESCENT SCREEN, DISCHARGE LAMP, AND KATHO-BEAM, PROVIDED WITH SUCH A SCREEN.
NL161297C (en) FIELD EMISSION ELECTRON GUN.
BE694781A (en) ELECTRON WINDOW SUPPORT.
CA940999A (en) Discharge lamp thermionic cathode containing emission material
NL175480C (en) ELECTRODE FOR A DISCHARGE LAMP, METHOD FOR MANUFACTURING SUCH ELECTRODE AND DISCHARGE LAMP PROVIDED WITH SUCH ELECTRODE.
AT345907B (en) CATHODE RAY TUBE
NL147572B (en) ELECTRIC DISCHARGE TUBE WITH A PHOTO CATHOD.
BE824629A (en) CATHODE RAY TUBE
NL7312332A (en) CIRCUIT SUITABLE FOR USE WITH A TELEVISION TUBE FITTED WITH AN ANTI-COMETTAIL ELECTRON GUN.
NL174599C (en) MICROWAVE TUBE FITTED WITH A VERY LONG TUBE.
NL162807C (en) COLOR TELEVISION DISPLAY EQUIPPED WITH AN ELECTRON RADIUS TUBE.
NL7405871A (en) DEVICE EQUIPPED WITH A GAS AND / OR VAPOR DISCHARGE TUBE.
AT340487B (en) CATHODE RAY TUBE
NL154047B (en) ELECTRICAL DISCHARGE TUBE WITH A CATHODE CONTAINING INSIDE ACTIVATION MATERIAL, AND CATHOD FOR SUCH DISCHARGE TUBE.
NL7412330A (en) ELECTRICAL DEVICE EQUIPPED WITH A GAS AND / OR VAPOR DISCHARGE LAMP.
NL161296C (en) PICTURE TUBE WITH A GETTER HOLDER.
NL169801C (en) ELECTRIC DISCHARGE TUBE.
NL7402420A (en) INDIRECTLY HEATED CATHOD AND AN ELECTRON DISCHARGE TUBE FITTED WITH SUCH A CATHOD.
CA941876A (en) Discharge lamps having improved thermionic cathodes
BE764229A (en) DISCHARGE LAMP EQUIPPED WITH AN OBLONG DISCHARGE TUBE, PRACTICALLY RECTILINE
NL7412693A (en) GETTER HOLDER AND ELECTRICAL DISCHARGE TUBE FITTED WITH SUCH A HOLDER.
NL7501068A (en) CATHODE FOR ELECTRON TUBE.
NL7501774A (en) RECTANGULAR ELECTRON BEAM TUBE WITH INCREASED STRENGTH.
AT262459B (en) Electric discharge tube with a cathode, the surface of which has parts with higher and parts with lower electron emission
SE7509308L (en) ELECTRON RADIUM WELDING.